Through 12/16/17 head on over either online or to your local Office Max or Office Depot location and score up to two 16 packs of Duracell Coppertop batteries for FREE after rewards! You can choose from either AA or AAA packs which are currently priced at $15.99 each. Members (sign-up is free) will receive back $15.99 in rewards! Be sure to be logged in or present membership at checkout in order to ensure you receive your reward!